12120002211001 has 4 divisors (see below), whose sum is σ = 12121014669904. Its totient is φ = 12118989752100.

The previous prime is 12120002210999. The next prime is 12120002211019. The reversal of 12120002211001 is 10011220002121.

12120002211001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12120002211001 - 2¹ = 12120002210999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120002211071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506211495 + ... + 506235436.

It is an arithmetic number, because the mean of its divisors is an integer number (3030253667476).

Almost surely, 2^{12120002211001} is an apocalyptic number.

It is an amenable number.

12120002211001 is a deficient number, since it is larger than the sum of its proper divisors (1012458903).

12120002211001 is a wasteful number, since it uses less digits than its factorization.

12120002211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012458902.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120002211001 its reverse (10011220002121), we get a palindrome (22131222213122).

The spelling of 12120002211001 in words is "twelve trillion, one hundred twenty billion, two million, two hundred eleven thousand, one".